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title: "Talks"
description: "Motiejus Jakštys on stage"
---
2025-09-11 DevOpsDays Vilnius
------------------------------
**The Filesystem Diaries: Scaling Btrfs in an Enterprise**
Btrfs was merged into the Linux kernel in 2009, arriving with bold
promises—and, let's be honest, a reputation for instability. I first tried it
on my laptop in 2011. It wiped my data. Twice. On the bright side, it taught me
the value of backups.
Fast forward to 2025: btrfs is no longer the experimental filesystem of the
past. It's stable, mature, feature-rich, and fully part of the Linux kernel.
But old reputations die hard. Even today, Google Cloud Platform doesn’t
officially support it—not because of technical shortcomings, but because
customer demand hasn’t pushed the issue.
At Chronosphere, we decided to take a fresh look. After months of evaluation
and testing, we migrated petabytes of customer data across thousands of disks
to btrfs. This talk is our story: why we made the leap, what we learned along
the way, and how we’re helping bring btrfs into wider enterprise
adoption—including working with Google to support it natively.
I'll share the decision-making process, key performance and reliability
insights, and the quirks you only discover when running btrfs at scale. Whether
you're btrfs-curious or just love a good ops tale, you'll walk away with
real-world takeaways—and maybe a newfound respect for this once-maligned
filesystem.
If you know what NTFS, ext4, or ZFS are, you’re ready for this journey.
No video, no slides.
<hr/>
2022-04-10 Zig Milan Party
--------------------------
**How Zig is Used at Uber**
* [Written form]({{<ref "log/2022/how-uber-uses-zig" >}}).
* [Slides](/talks/2022-zig-milan-party_How-zig-is-used-at-Uber.pdf).
* Video: [webm](/talks/2022-zig-milan-party_How-zig-is-used-at-Uber.webm), [mkv](/talks/2022-zig-milan-party_How-zig-is-used-at-Uber.mkv), [youtube](https://www.youtube.com/watch?v=SCj2J3HcEfc).
<hr/>